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Mesa patched to help render The Witcher 2 correctly on radeonsi

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Mesa has another patch that will be interesting for Linux gamers. This is actually a two-part fix as it was re-worked. The Witcher 2 [Steam, GOG] should have a lot less black flickering with this latest patch.

The first patch was here, but now Marek has re-worked a v2 of the patch here.

Checking on the bug entry for it, it seems it improves the situation greatly but is not a full fix, as Marek described:
QuoteThe remaining bug can be an instruction scheduling issue: v_interp is moved outside of the WQM or moved after the KILL opcode (which can break the WQM) or moved into a branch (same issue).


As always, great to see Mesa work progress and Marek is doing some really fantastic work for AMD GPU owners. Article taken from GamingOnLinux.com.
Tags: AMD, Drivers, Mesa
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buenaventura 10 Jan, 2017
Quoting: Shmerl
Quoting: buenaventuraGranted, my hardware is not particularly good (laptop with quad core 2.4ghz, 8gb RAM), this is my GPU:
00:01.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Mullins [Radeon R4/R5 Graphics] [1002:9851] (rev 05) (prog-if 00 [VGA controller])

It's GCN 1.1 I hear, but clearly not very good (1GB VRAM it says on the sticker).

Witcher 2 is pretty demanding. So no surprise it doesn't perform well on your GPU. You surely need to upgrade.

*grumble grumble* I don't get games these days, why all the shiny crap, I would be happy with witcher text-only-mode :( Just let me turn of all the stuff until it flows ;)
Shmerl 10 Jan, 2017
Well, turn it off you can. But it sounds close to minimum requirements.
buenaventura 10 Jan, 2017
Quoting: ShmerlWell, turn it off you can. But it sounds close to minimum requirements.

I did turn everything possible off, as in I played at 800x600, all draw distances minimum, EVERY SETTING minimum including all the ones in config files, and it was playable until the dwarwen city, but that place is just too full off useless fires and shiny stuff :<

Edit: what I mean is, I would like games to include options to remove most graphical effects. I do not care about lighting moving around, shiny handles on swords etc. in almost any game, I just need some decent framerates to suspend disbelief a bit. Shaky framerates just ruins everything. I feel that game developers waste a lot of energy making pretty graphics - that energy could have gone into making a great game instead! But alas, I guess I am the minority.


Last edited by buenaventura on 10 January 2017 at 9:17 am UTC
ripper 10 Jan, 2017
Quoting: buenaventuraI did turn everything possible off, as in I played at 800x600, all draw distances minimum, EVERY SETTING minimum including all the ones in config files, and it was playable until the dwarwen city, but that place is just too full off useless fires and shiny stuff :<
You probably already know this, but there's a LowSpecGamer channel on YouTube that contains useful tricks how to make new games run on very slow systems. For Witcher 2:
https://www.youtube.com/watch?v=T67H6WuMtnQ
buenaventura 10 Jan, 2017
Quoting: ripperYou probably already know this, but there's a LowSpecGamer channel on YouTube that contains useful tricks how to make new games run on very slow systems. For Witcher 2:
https://www.youtube.com/watch?v=T67H6WuMtnQ

Thats a nice tip, I did not know about that channel! I have now utterly butchered my witcher 2 (max texture settings=100) and it now occupies only a ninth of my screen (the resolution is so low, dunno how to get it to fill the screen), and it is still kinda stuttery and awkward .___. not worth the trouble getting back into the story really. But that channel is nice, thanks!
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